git: netisr: Add hashcheck method to check and adjust hw provided hash

[Sepherosa Ziehau]

commit e6f77b88e961aed05f67575815c0480d45443878
Author: Sepherosa Ziehau <sephe at dragonflybsd.org>
Date:   Fri Jul 22 18:29:11 2011 +0800

    netisr: Add hashcheck method to check and adjust hw provided hash
    
    Currently only IPv4 provides the non-default hashcheck method
    
    For IPv4's hashcheck:
    - Fragements are always delivered to CPU0
    - non-TCP and non-UDP packets are passed to software for hash calculation

Summary of changes:
 sys/net/if_ethersubr.c |   12 +++++++-----
 sys/net/netisr.c       |   38 ++++++++++++++++++++++++++++++++++++++
 sys/net/netisr.h       |    5 ++++-
 sys/net/netmsg.h       |    3 +++
 sys/netinet/ip_demux.c |   27 +++++++++------------------
 sys/netinet/ip_input.c |    1 +
 sys/netinet/ip_var.h   |    1 +
 7 files changed, 63 insertions(+), 24 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/e6f77b88e961aed05f67575815c0480d45443878


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